package com.example.demo.service;

import java.util.List;

import com.example.demo.pojo.Singer;
import com.example.demo.pojo.User;


public interface SingerService {
	
	List<Singer> getSingerList();
	int addSinger(Singer singer);
	List<Singer> searchSingerList(String singer_name, String singer_type);
	List<Singer> getList1();
	List<Singer> getList2();
	List<Singer> getList3();
	List<Singer> getList4();
	boolean deleteSinger(Singer singer);
	Singer getList(int singer_id);
	boolean updateSinger(Singer singer);
	
}
